Speed reducers and geared motors
We are NORD Drivesystems distributor in Mexico,, in Guadalajara and Aguascalientes. The NORD reducers of this proven series have been developed according to the UNICASE principle of monoblock crankcase. This applies to all models, both the reduction of legs, flange and pendulums. We understand by UNICASE (monobloc) a one-piece crankcase in which all bearing housings are integrated. The machining of the UNICASE crankcase is made of a single fixture in the most modern CNC machines. Maximum precision, rigidity and stability characterize the UNICASE principle. There are no seals or gaskets between the outlet side and the gearbox housing to withstand loads derived from external forces or torque.
The housings are manufactured in gray cast iron and aluminum casting. If requested, also in cast iron with spheroidal graphite The sprockets and wheels are made of high alloy steel and the gear teeth have been tempered by cementation (except in the case of augers). Optimized geometries and precise axle alignment thanks to the one-piece principle provide maximum load capacity, longer life and less noise. The teeth, bearings and shafts have been calculated according to DIN 3990, DIN ISO 281 and Niemann for all the powers and speeds collected in the catalog. For this reason, all NORD gearboxes provide the highest level of safety and reliability
The bearings and gears rotate in oil bath. The sprockets also have, in addition to the keyed union, a pressure connection between the shaft and the hub. In general NBR seals are used. Optionally it is possible to use seals manufactured in FKM (Viton).
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